[s13e22] Believer Online

Watch a detailed reaction and breakdown of the episode's opening discovery and initial investigation steps: "Criminal Minds" Believer (TV Episode 2018) - IMDb

The Behavioral Analysis Unit (BAU) is pulled into a complex case when Reid discovers former FBI Special Agent (played by James Urbaniak) locked inside a storage unit after being missing for a year. Quinn, brutalized and near death, claims he was held captive by a cult led by a mysterious figure known as "The Messiah". [S13E22] Believer

The investigation leads to the capture of the cult leader, Benjamin David Merva, also known as "The Messiah". Watch a detailed reaction and breakdown of the